LIMITING

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Assessing the collapse risk of Stipa bungeana grassland in China based on its distribution changes被引量：1
《Journal of Arid Land》2020年第2期303-317,共15页QIAO Xianguo GUO Ke LI Guoqing ZHAO Liqing LI Frank Yonghong GAO Chenguang 
This research was supported by the National Key Basic Research Program of China(2015FY210200);the Strategic Priority Research Program of the Chinese Academy of Sciences(XDA19050402);the Assessment Methods for Red List of Ecosystems in China Program of the Ministry of Ecology and Environment of China;the Characteristic Analysis of Important Ecosystems in China Program of the Chinese Research Academy of Environmental Sciences.Assistance from many colleagues enabled this study.We thank Dr.WANG Zi,Dr.WU Popo,Ms.ZHU Hong,and Dr.PANG Zhe for their great help during the field survey work.
The criteria used by International Union for Conservation of Nature(IUCN) for its Red List of Ecosystems(RLE) are the global standards for ecosystem-level risk assessment, and they have been increasingly used for biod...
关键词：climate change LIMITING factors maximum entropy algorithm potential DISTRIBUTION realizable DISTRIBUTION Red List of ECOSYSTEMS LOESS PLATEAU 
Identifying the limiting factors driving the winter wheat yield gap on smallholder farms by agronomic diagnosis in North China Plain被引量：10
《Journal of Integrative Agriculture》2019年第8期1701-1713,共13页CAO Hong-zhu LI Ya-nan CHEN Guang-feng CHEN Dong-dong QU Hong-rui MA Wen-qi 
supported by the National Basic Research Program of China (2015CB150405);the Special Fund for Agro-scientific Research in the Public Interest, China (201103003)
North China Plain(NCP) is the primary winter wheat production region in China, characterized by smallholder farming systems. Whereas the winter wheat average yield of smallholder farmers is currently low, the yield po...
关键词：yield GAPS SMALLHOLDER LIMITING factors path ANALYSIS boundary line ANALYSIS 
Factors Limiting the Forecast Skill of the Boreal Summer Intraseasonal Oscillation in a Subseasonal-to-Seasonal Model被引量：1
《Advances in Atmospheric Sciences》2019年第1期104-118,共15页Zheng HE Pangchi HSU Xiangwen LIU Tongwen WU Yingxia GAO 
supported by the National Basic Research Program of China (973 Program) (Grant No.2015CB453200)
In this study,we evaluate the forecast skill of the subseasonal-to-seasonal(S2S)prediction model of the Beijing Climate Center(BCC)for the boreal summer intraseasonal oscillation(BSISO).We also discuss the key factors...
关键词：BCC S2S model boreal summer intraseasonal oscillation forecast skill northward propagation 
Nonlinear instability suppression of closed-loop pilot-vehicle system with rate-limiting actuator based on anti-windup compensation
《Journal of Systems Engineering and Electronics》2016年第4期892-899,共8页Liang Qu Yinghui Li Haojun Xu Qimeng Cao 
supported by the National Basic Research Program(973Program)(2015CB755805);the National Natural Science Foundation of China(61374145)
To solve the flight safety problem caused by nonlinear instabilities（category II pilot induced oscillations, PIOs） of the closed-loop pilot-vehicle system with rate-limiting actuator, the antiwindup（AW） compensati...
关键词：rate-limiting pilot induced oscillation（PIO） antiwindup（AW） compensation closed-loop pilot-vehicle system linear matrix inequality command rate compensation 
Cooling and Crystallization of Trapped ^(113)Cd+ Ions for Atomic Clock
《Chinese Physics Letters》2013年第1期71-74,共4页WANG Shi-Guang ZHANG Jian-Wei MIAO Kai WANG Zheng-Bo WANG Li-Jun 
Supported by the National Basic Research Program of China under Grant No 2010CB922901;Tsinghua University Scientific Research Initiative Program(No 20091081474).
We report recent experimental progress toward a trapped ^(113)Cd+ion microwave frequency standard.With laser cooling,a large number of trapped cadmium ions are cooled to crystallization and the temperature of the ion ...
关键词：LIMITING microwave CRYSTALLIZATION 
Nonlinear optical properties of graphene-based materials被引量：10
《Chinese Science Bulletin》2012年第23期2971-2982,共12页LIU ZhiBo ZHANG XiaoLiang YAN XiaoQing CHEN YongSheng TIAN JianGuo 
supported by the National Basic Research Program of China(2011CB922003);the National Natural Science Foundation of China(10974103and11174159);the Program for New Century Excellent Talents in Universities(NCET-09-0484);the Natural Science Foundation of Tianjin(09JCYBJC04300);the Key Project of the Chinese Ministry of Education(109039)
Graphene,a two-dimensional carbon atom sheet,has attracted tremendous attention and research interest because of its exceptional physical properties.Graphene has high mobility and optical transparency,in addition to f...
关键词：GRAPHENE NONLINEAR OPTICAL properties OPTICAL LIMITING saturable ABSORBER GRAPHENE OXIDE 
Theoretical limiting concentration for mineralization of trichloromethane and dichloromethane in aqueous solutions by AOPs
《Science China Chemistry》2011年第3期559-564,共6页JI YuanHui HUANG WenJuan LU XiaoHua YANG ZhuHong FENG Xin 
supported by the Chinese National Key Technology Research and Development Program(2006AA03Z455);NSFC-RGC(20731160614);Program for Changjiang Scholars and Innovative Research Team in Univer-sity(IRT0732);National Basic Research Program of China(2009CB226103);the National Natural Science Foundation of China(20976080)
It is widely stated that most organic contaminants could be completely mineralized by Advanced Oxidation Processes(AOPs). This statement means that the concentration of the organic contaminant at equilibrium(limiting ...
关键词：thermodynamic analysis chemical equilibrium theoretical limiting concentration organic contaminant mineralization degree advanced oxidation processes chlorinated methane 
Limiting case for the regularity criterion of the Navier-Stokes equations and the magnetohydrodynamic equations被引量：2
《Science China Mathematics》2010年第7期1764-1771,共8页He Cheng Wang Yun 
supported by the National Basic Research Program of China (973 Program) (Grant No. 2006CB805902);Knowledge Innovation Funds of Chinese Academy of Sciences (Grant No.KJCX3-SYW-S03)
Any weak solution u to the Navier-Stokes equations is showed to be regular under the assumption that ||u|| L 2w (0,T ;L ∞ ( R 3 )) is sufficiently small, which is a limiting case of the regularity criteria derived by...
关键词：NAVIER-STOKES EQUATIONS MAGNETOHYDRODYNAMICS EQUATIONS REGULARITY criterion 
Hydrodynamics of slip wedge and optimization of surface slip property被引量：3
《Science China(Physics,Mechanics & Astronomy)》2007年第3期321-330,共10页MA GuoJun WU ChengWei ZHOU Ping 
Supported by the National Natural Science Foundation of China (Grant Nos. 10421002, 10332010 and 10672035);the National Basic Research Program of China (Grant No. 2006CB601205);the Specialized Research Fund for the Doctoral Program of Higher Education of China (Grant No. 2006014007)
The hydrodynamic load support generated by a slip wedge of a slider bearing was studied. The surface slip property was optimized so that a maximum hydrodynamic load support could be obtained. A multi-linearity method ...
关键词：WALL SLIP SLIP WEDGE LIMITING SHEAR stress optimization 
Effects of Density—Dependent Bag Constant and Strange Star Rotation
《Communications in Theoretical Physics》2003年第1期89-90,共2页ZHOUQiao－Er GUOHua 
国家重点基础研究发展计划(973计划)，国家自然科学基金
With the emphasis on the effects of the density-dependent bag constant and the rotation of strange star the limiting mass of strange star is calculated. The obtained results show that the limiting mass and the corresp...
关键词：density-dependent bag constant rotation frequency of strange star limiting mass and radius of strange star 
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